If Edward dies, it would have a huge impact on Alphonse. Alphonse has always relied on Edward, and without him, he would be lost at first. But this could also be a turning point for Alphonse to become more independent and find his own path in life. He might start to question the things they've been doing in their search for the Philosopher's Stone and find a new purpose.
Yes, it is. The manga has a perfect balance of action, drama, and philosophy. The themes explored are profound, and the character growth is very satisfying.
Fullmetal Alchemist does continue in manga form. However, the continuation might not follow the exact same pace or style as the original series. It might introduce new plotlines and character developments.
Sure did. The story reached its conclusion, providing a satisfying end to the fans. The final chapters wrapped up the plotlines and character developments neatly.